JPS605636B2 - ガスの精製方法 - Google Patents
ガスの精製方法Info
- Publication number
- JPS605636B2 JPS605636B2 JP50084882A JP8488275A JPS605636B2 JP S605636 B2 JPS605636 B2 JP S605636B2 JP 50084882 A JP50084882 A JP 50084882A JP 8488275 A JP8488275 A JP 8488275A JP S605636 B2 JPS605636 B2 JP S605636B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- water
- scrubbing agent
- scrubbing
- conduit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 41
- 238000000746 purification Methods 0.000 title claims description 13
- 238000005201 scrubbing Methods 0.000 claims description 122
- 239000003795 chemical substances by application Substances 0.000 claims description 106
- 239000007789 gas Substances 0.000 claims description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- 238000005406 washing Methods 0.000 claims description 56
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 42
- 229930195733 hydrocarbon Natural products 0.000 claims description 32
- 150000002430 hydrocarbons Chemical class 0.000 claims description 32
- 238000009835 boiling Methods 0.000 claims description 30
- 239000012535 impurity Substances 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 18
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- 239000003960 organic solvent Substances 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 10
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 239000008346 aqueous phase Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 5
- 238000000622 liquid--liquid extraction Methods 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 230000001172 regenerating effect Effects 0.000 claims description 5
- 238000000638 solvent extraction Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 239000004449 solid propellant Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000003009 desulfurizing effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 1
- 241000209094 Oryza Species 0.000 description 18
- 235000007164 Oryza sativa Nutrition 0.000 description 18
- 235000009566 rice Nutrition 0.000 description 18
- 238000000605 extraction Methods 0.000 description 16
- 150000002898 organic sulfur compounds Chemical class 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 239000012071 phase Substances 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 230000008929 regeneration Effects 0.000 description 9
- 238000011069 regeneration method Methods 0.000 description 9
- 229910052717 sulfur Inorganic materials 0.000 description 9
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- 238000007670 refining Methods 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 239000002574 poison Substances 0.000 description 5
- 231100000614 poison Toxicity 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- -1 1 ~2 skin t% Chemical class 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- GIWQSPITLQVMSG-UHFFFAOYSA-N 1,2-dimethylimidazole Chemical compound CC1=NC=CN1C GIWQSPITLQVMSG-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002019 disulfides Chemical class 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 150000003951 lactams Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001515 polyalkylene glycol Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- ZWXPDGCFMMFNRW-UHFFFAOYSA-N N-methylcaprolactam Chemical compound CN1CCCCCC1=O ZWXPDGCFMMFNRW-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000005218 dimethyl ethers Chemical class 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Industrial Gases (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2503507A DE2503507C2 (de) | 1975-01-29 | 1975-01-29 | Verfahren zur Reinigung von durch Vergasung fester fossiler Brennstoffe mittels Wasserdampf und Sauerstoff unter Druck erzeugter Gase |
| DE2503507.8 | 1975-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5187505A JPS5187505A (cs) | 1976-07-31 |
| JPS605636B2 true JPS605636B2 (ja) | 1985-02-13 |
Family
ID=5937539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50084882A Expired JPS605636B2 (ja) | 1975-01-29 | 1975-07-10 | ガスの精製方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4011066A (cs) |
| JP (1) | JPS605636B2 (cs) |
| BR (1) | BR7504391A (cs) |
| CA (1) | CA1053903A (cs) |
| DE (1) | DE2503507C2 (cs) |
| GB (1) | GB1483037A (cs) |
| IN (1) | IN143854B (cs) |
| ZA (1) | ZA754440B (cs) |
Families Citing this family (74)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330305A (en) * | 1976-03-19 | 1982-05-18 | Basf Aktiengesellschaft | Removal of CO2 and/or H2 S from gases |
| DE2617648A1 (de) * | 1976-04-22 | 1977-11-03 | Metallgesellschaft Ag | Verfahren zum behandeln von waschwasser aus der waesche eines heissen rohgases der vergasung von brennstoffen |
| DE2644323C3 (de) * | 1976-10-01 | 1980-03-20 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Regenerieren von wasserhaltigen leichtflüchtigen organischen Lösungsmitteln, die zum Auswaschen saurer Gasbestandteile aus wasserarmen Gasen mit geringen Gehalten an flüchtigen Verbindungen von Metallen der 8. Gruppe eingesetzt werden |
| DE2654579A1 (de) * | 1976-12-02 | 1978-06-08 | Metallgesellschaft Ag | Verfahren zum regenerieren beladener waschfluessigkeiten |
| DE2744437C2 (de) * | 1977-10-03 | 1985-01-17 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Aufbereitung von bei der Entgasung oder Vergasung von Kohlen anfallenden Abwässern |
| US4650502A (en) * | 1979-01-26 | 1987-03-17 | United States Steel Corporation | Pressurized gaseous aqueous ammonia separation system |
| US4233141A (en) * | 1979-04-27 | 1980-11-11 | The Ralph M. Parsons Company | Process for removal of carbonyl sulfide in liquified hydrocarbon gases with absorption of acid gases |
| JP4260225B2 (ja) * | 1997-06-06 | 2009-04-30 | ジーイー・エナジー・ユーエスエー・エルエルシー | 黒色放出水および蒸気回収システム |
| KR100612534B1 (ko) * | 2003-01-31 | 2006-08-11 | 바브콕-히다찌 가부시끼가이샤 | 배기가스 처리장치와 그 운용방법 |
| US20050154069A1 (en) * | 2004-01-13 | 2005-07-14 | Syntroleum Corporation | Fischer-Tropsch process in the presence of nitrogen contaminants |
| US7022742B2 (en) * | 2004-04-08 | 2006-04-04 | Syntroleum Corporation | Process to control nitrogen-containing compounds in synthesis gas |
| US20090090056A1 (en) * | 2007-10-09 | 2009-04-09 | Greatpoint Energy, Inc. | Compositions for Catalytic Gasification of a Petroleum Coke |
| WO2009086367A1 (en) * | 2007-12-28 | 2009-07-09 | Greatpoint Energy, Inc. | Petroleum coke compositions for catalytic gasification and preparation process thereof |
| WO2009086370A2 (en) | 2007-12-28 | 2009-07-09 | Greatpoint Energy, Inc. | Processes for making syngas-derived products |
| US20090166588A1 (en) * | 2007-12-28 | 2009-07-02 | Greatpoint Energy, Inc. | Petroleum Coke Compositions for Catalytic Gasification |
| WO2009086372A1 (en) * | 2007-12-28 | 2009-07-09 | Greatpoint Energy, Inc. | Carbonaceous fuels and processes for making and using them |
| US20090165376A1 (en) | 2007-12-28 | 2009-07-02 | Greatpoint Energy, Inc. | Steam Generating Slurry Gasifier for the Catalytic Gasification of a Carbonaceous Feedstock |
| WO2009111332A2 (en) | 2008-02-29 | 2009-09-11 | Greatpoint Energy, Inc. | Reduced carbon footprint steam generation processes |
| US8297542B2 (en) | 2008-02-29 | 2012-10-30 | Greatpoint Energy, Inc. | Coal compositions for catalytic gasification |
| WO2009111345A2 (en) | 2008-02-29 | 2009-09-11 | Greatpoint Energy, Inc. | Catalytic gasification particulate compositions |
| US20090260287A1 (en) * | 2008-02-29 | 2009-10-22 | Greatpoint Energy, Inc. | Process and Apparatus for the Separation of Methane from a Gas Stream |
| US20090217575A1 (en) * | 2008-02-29 | 2009-09-03 | Greatpoint Energy, Inc. | Biomass Char Compositions for Catalytic Gasification |
| WO2009111331A2 (en) * | 2008-02-29 | 2009-09-11 | Greatpoint Energy, Inc. | Steam generation processes utilizing biomass feedstocks |
| CA2716135C (en) * | 2008-02-29 | 2013-05-28 | Greatpoint Energy, Inc. | Particulate composition for gasification, preparation and continuous conversion thereof |
| US8286901B2 (en) | 2008-02-29 | 2012-10-16 | Greatpoint Energy, Inc. | Coal compositions for catalytic gasification |
| CN101981163B (zh) * | 2008-04-01 | 2014-04-16 | 格雷特波因特能源公司 | 从气体物流中分离甲烷的方法 |
| WO2009124019A2 (en) | 2008-04-01 | 2009-10-08 | Greatpoint Energy, Inc. | Sour shift process for the removal of carbon monoxide from a gas stream |
| CN102076828A (zh) * | 2008-06-27 | 2011-05-25 | 格雷特波因特能源公司 | 用于合成气制备的四列催化气化体系 |
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| CN102112585B (zh) * | 2008-06-27 | 2013-12-04 | 格雷特波因特能源公司 | 用于sng生产的三列催化气化系统 |
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| AU2009262073B2 (en) * | 2008-06-27 | 2012-09-06 | Greatpoint Energy, Inc. | Four-train catalytic gasification systems for SNG production |
| WO2010033848A2 (en) * | 2008-09-19 | 2010-03-25 | Greatpoint Energy, Inc. | Processes for gasification of a carbonaceous feedstock |
| CN102159683B (zh) | 2008-09-19 | 2014-10-01 | 格雷特波因特能源公司 | 碳质原料的气化方法 |
| KR101330894B1 (ko) * | 2008-09-19 | 2013-11-18 | 그레이트포인트 에너지, 인크. | 차르 메탄화 촉매를 사용한 기체화 방법 |
| CN102159682B (zh) | 2008-09-19 | 2014-04-30 | 格雷特波因特能源公司 | 碳质原料的气化方法 |
| WO2010048493A2 (en) * | 2008-10-23 | 2010-04-29 | Greatpoint Energy, Inc. | Processes for gasification of a carbonaceous feedstock |
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| US8268899B2 (en) | 2009-05-13 | 2012-09-18 | Greatpoint Energy, Inc. | Processes for hydromethanation of a carbonaceous feedstock |
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| WO2011034891A1 (en) | 2009-09-16 | 2011-03-24 | Greatpoint Energy, Inc. | Two-mode process for hydrogen production |
| CN102549121B (zh) | 2009-09-16 | 2015-03-25 | 格雷特波因特能源公司 | 整体加氢甲烷化联合循环方法 |
| EP2478071A1 (en) * | 2009-09-16 | 2012-07-25 | Greatpoint Energy, Inc. | Processes for hydromethanation of a carbonaceous feedstock |
| CN102575181B (zh) | 2009-09-16 | 2016-02-10 | 格雷特波因特能源公司 | 集成氢化甲烷化联合循环方法 |
| CA2773845C (en) * | 2009-10-19 | 2014-06-03 | Greatpoint Energy, Inc. | Integrated enhanced oil recovery process |
| CN102667057B (zh) * | 2009-10-19 | 2014-10-22 | 格雷特波因特能源公司 | 整合的强化采油方法 |
| CA2780375A1 (en) | 2009-12-17 | 2011-07-14 | Greatpoint Energy, Inc. | Integrated enhanced oil recovery process |
| CN102652205A (zh) * | 2009-12-17 | 2012-08-29 | 格雷特波因特能源公司 | 注入氮气的整合的提高石油采收率的方法 |
| WO2011106285A1 (en) * | 2010-02-23 | 2011-09-01 | Greatpoint Energy, Inc. | Integrated hydromethanation fuel cell power generation |
| US8652696B2 (en) * | 2010-03-08 | 2014-02-18 | Greatpoint Energy, Inc. | Integrated hydromethanation fuel cell power generation |
| WO2011139694A1 (en) | 2010-04-26 | 2011-11-10 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock with vanadium recovery |
| WO2011150217A2 (en) | 2010-05-28 | 2011-12-01 | Greatpoint Energy, Inc. | Conversion of liquid heavy hydrocarbon feedstocks to gaseous products |
| CN103154213B (zh) | 2010-08-18 | 2015-06-17 | 格雷特波因特能源公司 | 碳质原料的加氢甲烷化工艺 |
| JP2013537248A (ja) | 2010-09-10 | 2013-09-30 | グレイトポイント・エナジー・インコーポレイテッド | 炭素質フィードストックの水添メタン化 |
| EP2635660A1 (en) | 2010-11-01 | 2013-09-11 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock |
| KR101543136B1 (ko) | 2010-11-01 | 2015-08-07 | 그레이트포인트 에너지, 인크. | 탄소질 공급원료의 히드로메탄화 |
| CN202089940U (zh) * | 2010-12-07 | 2011-12-28 | 李宁 | 煤气余热回收利用装置 |
| CN104711026A (zh) | 2011-02-23 | 2015-06-17 | 格雷特波因特能源公司 | 伴有镍回收的碳质原料加氢甲烷化 |
| US20120271072A1 (en) | 2011-04-22 | 2012-10-25 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock |
| US9127221B2 (en) | 2011-06-03 | 2015-09-08 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock |
| WO2013025808A1 (en) | 2011-08-17 | 2013-02-21 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock |
| CN103890147A (zh) | 2011-08-17 | 2014-06-25 | 格雷特波因特能源公司 | 碳质原料的加氢甲烷化 |
| WO2013052553A1 (en) | 2011-10-06 | 2013-04-11 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock |
| US9034058B2 (en) | 2012-10-01 | 2015-05-19 | Greatpoint Energy, Inc. | Agglomerated particulate low-rank coal feedstock and uses thereof |
| WO2014055365A1 (en) | 2012-10-01 | 2014-04-10 | Greatpoint Energy, Inc. | Use of contaminated low-rank coal for combustion |
| IN2015DN02940A (cs) | 2012-10-01 | 2015-09-18 | Greatpoint Energy Inc | |
| KR101576781B1 (ko) | 2012-10-01 | 2015-12-10 | 그레이트포인트 에너지, 인크. | 응집된 미립자 저등급 석탄 공급원료 및 그의 용도 |
| US10464872B1 (en) | 2018-07-31 | 2019-11-05 | Greatpoint Energy, Inc. | Catalytic gasification to produce methanol |
| US10344231B1 (en) | 2018-10-26 | 2019-07-09 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock with improved carbon utilization |
| US10435637B1 (en) | 2018-12-18 | 2019-10-08 | Greatpoint Energy, Inc. | Hydromethanation of a carbonaceous feedstock with improved carbon utilization and power generation |
| US10618818B1 (en) | 2019-03-22 | 2020-04-14 | Sure Champion Investment Limited | Catalytic gasification to produce ammonia and urea |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000693A (en) * | 1958-08-18 | 1961-09-19 | Koppers Co Inc | Method of removing and disposing of ammonia from coke oven gas |
| DE1494809C3 (de) * | 1966-10-25 | 1974-01-17 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Auswaschen von Kohlendioxid aus schwefelarmen oder schwefelfreien Gasen |
| DE1669329A1 (de) * | 1967-04-18 | 1969-10-30 | Metallgesellschaft Ag | Verfahren zur Absorption von Kohlenoxysulfid aus Gasen |
| US3899312A (en) * | 1969-08-21 | 1975-08-12 | Linde Ag | Extraction of odorizing sulfur compounds from natural gas and reodorization therewith |
| US3738086A (en) * | 1969-10-30 | 1973-06-12 | Gaf Corp | Process for using n-alkyl lactams for stripping sulfur dioxide from gas streams |
| DE2226215C3 (de) * | 1972-05-30 | 1975-09-25 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Regeneration eines beladenen Absorptionsmittels, das beim Auswaschen von sauren Komponenten aus Gasen anfällt |
| DE2227071C2 (de) * | 1972-06-03 | 1985-10-17 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Reinigen technischer Brenn- und Synthesegase |
| DE2250169A1 (de) * | 1972-10-13 | 1974-04-25 | Metallgesellschaft Ag | Verfahren zur entschwefelung technischer brenngase und synthesegase |
-
1975
- 1975-01-29 DE DE2503507A patent/DE2503507C2/de not_active Expired
- 1975-07-03 IN IN1304/CAL/75A patent/IN143854B/en unknown
- 1975-07-07 US US05/593,915 patent/US4011066A/en not_active Expired - Lifetime
- 1975-07-08 GB GB28771/75A patent/GB1483037A/en not_active Expired
- 1975-07-09 CA CA231,110A patent/CA1053903A/en not_active Expired
- 1975-07-10 BR BR7504391*A patent/BR7504391A/pt unknown
- 1975-07-10 JP JP50084882A patent/JPS605636B2/ja not_active Expired
- 1975-07-10 ZA ZA00754440A patent/ZA754440B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1483037A (en) | 1977-08-17 |
| AU8286875A (en) | 1977-01-13 |
| CA1053903A (en) | 1979-05-08 |
| ZA754440B (en) | 1976-06-30 |
| BR7504391A (pt) | 1976-08-17 |
| IN143854B (cs) | 1978-02-11 |
| DE2503507A1 (de) | 1976-08-19 |
| JPS5187505A (cs) | 1976-07-31 |
| US4011066A (en) | 1977-03-08 |
| DE2503507C2 (de) | 1981-11-19 |
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